Position : Senior Backend Engineer
Location: Spain (Remote).
Duration: Permanent

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Language Requirements
English proficiency: B2 level or higher
Spanish proficiency : B2 level or higher

Job Description
We are seeking an experienced Senior Backend Engineer to design, develop, maintain, and evolve backend services and cloud-based platforms. The role focuses on delivering high-quality, scalable, maintainable, and reliable software solutions while contributing to product evolution through strong software engineering practices.
You will work in a modern technology environment built around containerized applications, distributed architectures, Kubernetes-based deployments, and CI/CD processes . The position also involves driving engineering excellence through automation, quality assurance, modern development tools, and AI-assisted development solutions.

Required Qualifications:
Technical Skills
At least 2 years of development experience in Go , OR
Strong Java development experience combined with React experience.
Hands-on experience with Docker and Kubernetes .
Experience designing, developing, and maintaining backend services and APIs .
Experience working in CI/CD environments ,



preferably using GitHub Actions .

Preferred Qualifications
Proven experience designing and implementing automated testing strategies (unit, integration, and end-to-end).
Strong understanding of software quality practices, testing methodologies, and test automation.
Experience with continuous integration, deployment, and delivery processes.
Experience managing and consuming artifacts with tools such as Artifactory .
Experience using feature flags or progressive rollout mechanisms.
Experience with AWS and cloud-native services.
Experience with React .
Experience with Java .
Knowledge of distributed systems and microservices architectures .
Experience with SQL and/or NoSQL databases .
Knowledge and application of Domain-Driven Design (DDD) principles.
Experience with testing frameworks/tools such as:
Playwright
Cypress
Selenium
JUnit
Testify
Similar technologies
Experience integrating automated tests into CI/CD pipelines.
Experience with event-driven architectures . xiphteb
Knowledge of Kafka or other messaging platforms.
Experience using AI-assisted development tools such as:
GitHub Copilot
Cursor
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